American Association of State Highway Officials\nNational Academies of Sciences, Engineering and Medicine (U.S.), Transportation Research Board. (1964). Report. Highway Research Board, Division of Engineering and Industrial Research.
Citação do estilo Chicago (17ª ed.)American Association of State Highway Officials\nNational Academies of Sciences, Engineering and Medicine (U.S.), Transportation Research Board. Report. Washington: Highway Research Board, Division of Engineering and Industrial Research, 1964.
Citação MLA (8ª ed.)American Association of State Highway Officials\nNational Academies of Sciences, Engineering and Medicine (U.S.), Transportation Research Board. Report. Highway Research Board, Division of Engineering and Industrial Research, 1964.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.